The casino magnates and former UFC co-owners, who bought the promotion for $2 million in 2001, have “fully divested” from the promotion, according to a report today from Forbes, which cited a source with knowledge of the sale.

A UFC representative declined a request to confirm the news to MMAjunkie.

The Fertittas had retained a combined 5.8 percent stake in the company – initially characterized as a “passive minority interest” – through the UFC’s sale to entertainment giant WME-IMG in July 2016. But they sold that stake this past month, getting a 26 percent markup based on a new $5 billion valuation of the company.

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The $4.025 billion price tag paid by WME-IMG, then called “by far the richest sale in the history of professional sports,” netted the Fertittas an estimated $800 million apiece for their combined 81 percent stake in the company and drew a warning from federal regulators who took issue with rosy profit projections. A small portion of the sale proceeds was tied to a pair of “earn-outs” if the UFC could double its earnings by Dec. 31, 2018; the Fertittas leave the company well before a $75 million payout guaranteed for $350 million in EBITDA (earnings before interest, taxes, depreciation, and amortization).

Apart from a few banner events in UFC 202 and UFC 207, the promotion hit a rocky stretch just five months after the sale. It struggled mightily to fill its early 2017 schedule with bankable attractions because of the absence of Conor McGregor, its biggest star, and the assumed retirement of ex-champ Ronda Rousey.

The trend, however, reversed starkly when the promotion attached itself to the blockbuster “Money Fight,” which reportedly is trending to break the all-time pay-per-view buy record of 4.6 million. According to UFC President Dana White, the event drew a staggering 6.5 million buys. Lorenzo Fertitta reportedly played a part in negotiations.

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According to Forbes, the Fertittas haven’t served a direct role with the UFC in more than a year. The brothers are now focused on their family business, Station Casinos, and a new venture capital firm, Fertitta Capital.

The Fertittas also donate plenty of money to causes near and dear. A new UNLV football facility approved today was funded by a reported $10 million donation from the Fertittas, whose name is emblazoned across the building’s facade. Nicco Fertitta, son of Lorenzo, is a UNLV alum.

For more on the UFC’s upcoming schedule, check out the UFC Rumors section of the site.